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Babban Fasahar Jiki da Ƙarfin a Waya

Waya janyewa wani aiki ne mai mahimmanci a cikin gine-ginen lantarki, masana'antu, da kuma kayan aikin sadarwa. Duk lokacin da aka jawo mai jagora ta hanyar bututu ko kuma aka haɗa da kebul ta hanyar bututu na ƙasa, ƙa'idodin tashin hankali da ƙarfi suna ƙayyade ko shigarwar ta yi nasara ko rashin nasara.

FLT:0 Tensiyon ita ce ƙarfin axial na ciki wanda ke haɓaka a cikin waya lokacin da aka sanya shi cikin nauyin janyewa. Yana aiki daidai a cikin ɓangaren mai jagora kuma yana shimfiɗa kayan da kwanciyar hankali har sai an kai wurin samarwa. Fiye da wurin samarwa yana haifar da lalacewa ta dindindin; ƙarin ƙaruwa yana haifar da wuyan wuyan da ƙarshe.

A cikin jan waya mai tsayayya ko kusan tsayayya inda hanzari ba shi da mahimmanci, ƙarfin da aka yi amfani da shi daidai yake da jimlar duk ƙarfin juriya. Dokar farko ta Newton ta ce wani abu a hutawa yana zaman lafiya sai dai idan an yi aiki akan shi ta hanyar ƙarfin rashin daidaito. Saboda haka, ƙarfin jan hankali dole ne ya wuce ƙarfin haɗin gwiwa daga jujjuyawar, abubuwan jan hankali a kan gangara, da kuma lankwasawa don fara da ci gaba da motsi. Da zarar ya motsa, tashin hankali a kowane wuri a cikin waya sakamakon haɗuwa ne na waɗannan juriya daga ƙarshen jan zuwa wannan lokacin. Fahimtar wannan tushe yana ba masu aikin damar hango inda tashin hankali zai iya ƙaruwa, yawanci a cikin lankwasa ko kusa da ƙarshen jan hankali, da ɗaukar matakan rigakafi kamar amfani da lubricants ko ƙara yawan wuraren jan hankali.

Ka'idodin Jiki na Musamman da Suka Gudanar da Yin Fitar da Waya

Dokar Newton ta Biyu da kuma Saurin Waya

Ko da yake ana yin jan waya a ƙananan gudu, ana amfani da alaƙar asali na FLT:0 F = m·a. Dole ne ƙarfin janyewa ya shawo kan nauyin juriya da kowane hanzari na nauyin waya. A aikace, hanzari yana da ƙaranci, don haka ma'anar mai rinjaye ita ce ƙarfin juriya. Duk da haka, yayin farawa daga hutawa, tsayayyen tsayayye ya fi ƙarfin kinetic, yana buƙatar ƙaruwa na ɗan lokaci a cikin ƙarfin janyewa. Wannan ƙaruwa na iya zama mai mahimmanci ga dogon gudu ko manyan masu gudanarwa. Misali, tsayayyen ƙafa 500 na kebul na tagulla mai nauyin kusan 1.6 lb / mil yana buƙatar shawo kan tsayayyen tsayayyewar da zai iya wuce ƙarfin kinetic ta hanyar 20-30%.

Matsalolin da Za a Iya Yin Wahala

Matsi yana haifar da tashin hankali, wanda aka bayyana a matsayin karfi a kowace na'ura ta yanki (σ = F / A). Kowane waya yana da iyakar ƙarfin jan hankali, wanda galibi ana ƙayyade shi azaman kashi na ƙarfin jan hankali na ƙarshe. Ga masu gudanar da tagulla, yawanci ƙarfin jan hankali yana tsakanin 40% zuwa 60% na ƙarfin karya, tare da ƙarancin ƙimar aluminum saboda ƙarancin ductility da ƙarancin saurin zamewa. Matsin, tsawo ta tsawon na'ura, yana ƙaruwa a layi tare da damuwa a cikin yankin mai taushi kamar yadda dokar Hooke ta bayyana. Lalacewar dindindin tana faruwa idan an wuce iyakar mai taushi, yana haifar da raguwar aiki ko tsagewa. Misali, tsawo na 10% a cikin mai gudanar da tagulla na iya rage girman ƙarfinsa ta hanyar ƙaruwa da ƙarfin juriya ta hanyar ƙare kusan 10%, yana haifar da ƙarewa a kusa da ƙarewa.

Tasirin Capstan: Ƙarfafawa na Ƙarfafawa a Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin

Lokacin da waya ta wuce kusa da lankwasawa, ƙarfin jujjuyawar a gefen waje ya fi na gefen shigowa. Wannan alaƙar mai nunawa ta hanyar ma'auni ta capstan: T2 = T1 · e^(μ·θ), inda μ shine ma'aunin jujjuyawar kuma θ shine jimlar kusurwar lankwasawa a cikin radians. Misali, lankwasawa ta 90 ° (π/2 radians) tare da μ = 0.3 yana ninka ƙarfin da kimanin 1.6. Ƙananan lankwasawa suna haɗuwa da wannan tasirin sosai. Gudun tare da sau uku na 90 ° da kuma ma'aunin jujjuyawar iri ɗaya zai ga jimlar mai ninka e^(0.3 × 3π/2) ≈ 4.1. Wannan shine dalilin da ya sa lambobin gini, kamar Koda ta lantarki ta kasa (NEC) FLT:1, ke iyakance jimlar lankwasawa tsakanin fiye da 360 digiri.

Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙ

Friction shine babban ƙarfin juriya yayin jan waya. Yana haifar da haɗuwa tsakanin jaket ɗin waya da farfajiyar ciki na bututun. ƙarfin friction F_f = μ · N, inda N shine ƙarfin al'ada wanda ke matsa waya akan bango na bututun. ƙarfin al'ada ya fito ne daga nauyin waya saboda nauyi da kuma daga ƙarfin gefe lokacin da aka tilasta waya akan karkatarwa ko karkatarwa. Ba za a iya yin tsinkaya tasirin friction ba; a cikin dogon, madaidaiciyar madaidaiciya, friction yana ɗaukar 80-90% na jimlar juriya.

Ƙimar ƙimar gogewa

Ƙididdigar μ ya dogara da kayan da ke hulɗa.

  • Hanyar PVC tare da igiyar PVC mai sakawa: μ ≈ 0,40,6
  • Hanyar karfe tare da jaket na PVC: μ ≈ 0,350,55
  • Hanyar aluminum tare da jaket na PVC: μ ≈ 0,30,5
  • Fuskokin lubricated: μ zai iya sauka zuwa 0.050.15

Yin amfani da lubricant na cire waya na kasuwanci na rage μ sosai, rage tashin hankali da hana lalata jaket. Zaɓin lubricant ya kamata ya dace da kayan aikin da jaket ɗin kebul don kauce wa lalacewar sinadarai. Misali, lubricants na tushen mai na iya haifar da kumburi a wasu jaket ɗin roba, yayin da lubricants na tushen ruwa na iya ɓarna a cikin yanayin zafi, barin ragowar da ke ƙara jujjuyawar a cikin dogon janyewa.

Tasirin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyin Nauyi

A kan madaidaiciyar madaidaiciyar madaidaiciya, ɓangaren nauyin waya wanda ke daidai da gangara yana ƙarawa ko cire daga ƙarfin janyewar da ake buƙata. Don gudu mai faɗi, nauyi yana ba da gudummawa ga ƙarfin al'ada kawai. Don tsayayyen ko gangara, ƙarfin janyewa dole ne ya shawo kan mg·sin(θ) ban da jujjuyawar. A cikin madaidaiciyar mai ɗagawa, cikakken nauyin kebul ɗin yana rataye daga wurin janyewa, wanda zai iya ƙara ɗaruruwan fam na tashin hankali. Misali, a cikin tsayin ƙafa 100 na 4/0 na tagulla mai nauyin nauyin kusan 0.6 lb / ft yana haifar da ƙarin fam 60 na tashin hankali daga nauyi kawai. Wannan shine dalilin da ya sa ake buƙatar tallafi na tsakiya ko riƙewa sau da yawa a cikin aikace-aikacen tsayi mai tsayi.

Tasirin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙ

Ƙarƙashin ƙuƙwalwa yana gabatar da ƙarin hulɗa na jujjuyawar da kuma sake turawa. Fasahar kowane jujjuyawar ta ƙunshi jujjuyawar da tasirin capstan. Dole ne a ja waya ta hanyar hanyar jujjuyawar inda ta matsa kan bango na ciki na jujjuyawar. Ƙarƙashin ƙarfin al'ada yana ƙaruwa tare da tashin hankali da kansa, yana haifar da madaidaicin jujjuyawar: ƙarancin tashin hankali yana haifar da ƙarfin al'ada mafi girma, wanda ke ƙara jujjuyawar, wanda ke ƙara tashin hankali. Wannan sake zagayowar ƙarfafa kanta shine dalilin da ya sa jujjuyawar ta zama wuri mafi yawanci don janyewa don tsayawa ko lalacewar igiyoyi.

Matsi na Ƙungiya da kuma Rashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙ

Matsakaicin matsin lamba na gefe (SWP) akan waya a kan lankwasawa ana ba da shi ta SWP = T / R, inda T shine ƙarfin a lankwasawa kuma R shine radius na lankwasawa. Matsakaicin ƙarfin gefe na gefe na iya murkushe rufi ko lalata mai jagora. Yawancin masana'antun kebul suna ƙayyade matsakaicin SWP, yawanci kusan 150-300 lbs a kowane inci na lankwasawa. Yin amfani da babban radius na lankwasawa yana rage SWP kuma yana ba da damar jan hankalin jan hankali ba tare da lalacewa ba. Matsakaicin EMT madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciya yana da radius kusan sau 4-6 na diamita na madaidaiciyar madaidaiciya, amma madaidaiciyar madaidaiciyar madaidaiciya na iya zama mafi ƙunci. Misali, madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciya ta inci 2 tana da madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciya na inci 8. Idan ƙarfin a wannan madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciyar madaidaiciya ya kai 1,200 lbs, SW

Ƙarin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙ

Don hana yawan tashin hankali, lambobin gini suna buƙatar akwatunan janye ko wuraren janyewa bayan kowane nau'in 360 na juyawa. A cikin dogon gudu, wuraren janyewa na tsakiya suna ba da damar sake saita tashin hankali zuwa sifili a kowane akwatin. Lissafin tashin hankali don gudu mai juyawa da yawa yana buƙatar haɗa gudummawa ta hanyar dabara: farawa daga ƙarshen nesa inda waya ta fito daga madauri, da ƙara ƙaruwar tashin hankali a kowane juyawa ta amfani da ma'aunin capstan, da kuma juyawa tsakanin sassan madaidaiciya. Hanyar da aka saba amfani da ita ita ita ce "ƙimar juyawa" da aka yi amfani da ita a cikin software kamar Pull-Planner kuma an bayyana a IEEE 399 (Littafin Brown). Don juyawa sama da ƙafa 1,000, har ma da madaidaiciyar sassan madaidaiciya na iya tarawa da yawa, kuma wuraren janyewa na tsakiya suna zama dole ba tare da la'akari da juyawa ba.

Ƙididdigar Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙar

Don sashi mai madaidaiciya, ƙarfin ƙarfin daga jujjuyawar shine T = μ · w · L, inda w shine nauyin kowane ɗayan tsawon waya kuma L shine tsawon. Ga masu gudanarwa da yawa, w shine jimlar nauyi. Don sassan tsaye ko gangara, ƙara w·L·sin(θ. A kan lankwasawa, ninka ƙarfin shigar da e^(μ·θ) don ƙarfin fita.

Misali mai daki-daki ya nuna yadda ƙananan tashin hankali ke tashi a hankali: Yi la'akari da tsalle mai tsayi na ƙafa 150 na igiyar tagulla ta 3 / C # 10 mai nauyin 0.1 lb / ft a cikin bututun ƙarfe tare da μ = 0.4. Matsakaicin tashin hankali na tsakiya shine T0 = 0.4 × 0.1 × 150 = 6 lbs. Yanzu ƙara nau'ikan 90 ° biyu (θ = π / 2 kowannensu). Don lankwasawa ta farko tare da tashin hankali mai shigowa na 6 lbs, tashin hankali na waje T1 = 6 × e^0.4 × π / 2) = 6 × 1.87 = 11.2 lbs. Don lankwasawa ta biyu, T2 = 11.2 × 1.87 = 20.9 lbs. Idan akwai ƙarin 20 ft na lankwasawa bayan sashin na biyu, ƙara wani 0.4 × 0.1 × 20 = 0.8 lbs, yana ba da jan hankali na gaba ɗaya na 21.7 lbs. Wannan yana da sauƙi, amma tare da ƙarfin tashin hankali, ko maɗaura, yana da sauri, ko maɗaura, ko maɗaura dubban fam.

Don ƙarin cikakken bincike, injiniyoyi suna amfani da hanyoyin daga Jagorar IEEE don Zaɓin da Shigar da Kayayyakin Wutar Lantarki (IEEE 576) ko software wanda ke ba da lissafin tsauri na igiya, tsangwama a cikin janyowar mai sau da yawa, da tasirin motsi yayin hanzari.

Kayan aiki da kuma hanyoyin da za a iya sarrafa tashin hankali

Kayan aikin jan kayan aiki

Winches, capstan hoists, da kuma kifi tef ne na farko kayan aikin for waya ja. Don manyan masu gudanarwa, wani FLT: 0-pull-in kama kamar kwandon sakawa ko Kellems kama rarraba karfi a kan wani tsawon na jaket, kauce wa point-loading cewa zai iya yanke ta hanyar rufi. daure kamata a yi amfani da dan kadan a baya da waya ta ja kai don hana jan ido daga shan dukan kaya. FLT:2 Tensiyon mita ko load sel samar da real-lokaci feedback, kyale da mai aiki ya zauna a cikin hadari iyakoki. zamani naúrar connect to wayoyin salula na zamani via Bluetooth for logging tashin hankali profiles da aika gargadi a lokacin da iyakoki an wuce. Amfani da wani mita ba wani zaɓi ga tashin hankali don kayan aiki; shi ne kawai hanyar da za a tabbatar da cewa jan karfi a cikin dukan kayan aiki da ke da muhimmanci bayani dalla-dalla.

Tsarin Lubrication da Zaɓin

Yin amfani da lubricant mai kyau yana da mahimmanci kamar sarrafa ƙarfin janyewa. Don dogon gudu, masu saka kayan shafawa na atomatik a ƙarshen ciyarwa ko aikace-aikacen hannu na yau da kullun suna rage tsagewa koyaushe. Lubricants na tushen ruwa suna da yawa amma suna iya bushewa a yanayin zafi ko dogon janyewa, yana barin ragowar manne. Lubricants na silicone ko polymer na iya wucewa amma na iya shafar wasu kayan jaket ɗin kebul. Koyaushe bincika jituwa: jaket ɗin polyurethane na iya kumbura lokacin da aka fallasa su ga wasu man fetur, kuma wasu lubricants na iya lalata keɓewar XLPE a tsawon lokaci.

Hanyar Fitarwa da Kuma Ayyuka Mafi Kyawu

Kula da daidaituwa, jinkirin jan gudu, yawanci 5-10 ft / min don manyan wayoyi. Jerky ko sauri farawa haifar da tasiri karfi da cewa matsa da waya da kuma iya sa jan grip zamewa ko lalace da jaket. Yi amfani da jan ido da ke juyawa don hana twisting da direbobi, wanda zai iya haifar da ciki matsa lamba da rage sassauci. Ga multiconductor wayoyi, ci gaba da ciyar spool jituwa da conduit axis don kauce wa lankwasa a cikin shigarwa batu. Lokacin jan a kusa da lankwasa, da ma'aikaci ciyar da waya a kan lankwasa don rage friction da kuma kauce wa ɗaurewa. Wannan shi ne musamman muhimmanci ga m lankwasa inda capstan sakamako ne mafi karfi. Sadarwa tsakanin jan karshen da feed karshen ne da muhimmanci; biyu-hanyar rediyo ko hannayen hannu tashin hankali sigina hana daidaitawa da zai iya haifar da m spikes.

Abubuwan da Za a Yi Game da Tsaro da Kuma Amincin Waya

Tsaro yayin jan waya ya ƙunshi dalilai na mutum da iyakokin kayan. Hadarin inji ya haɗa da ɓarkewar igiya a ƙarƙashin tashin hankali, wanda ke haifar da haɗarin whip wanda zai iya haifar da rauni mai tsanani, da kuma kayan aiki tip-over da maki mai ƙyama a kan wink da capstans. Kayan kariya na sirri mai dacewa ya haɗa da safofin hannu don karewa daga abrasion da yanke, kariya ga ido daga fashi mai tashi idan igiya ko riƙe ya gaza, da kuma hat ɗin wuya a wuraren da ke da haɗari a saman.

Daga mahallin abu, wucewa da iyakar ƙarfin jan waya na waya na iya haifar da tsawan tsawo na dindindin. Tsawan tsawo na 10% na iya rage yankin ratsawar mai gudanar da tagulla da kusan 10%, yana haɓaka juriya da rage ƙarfin ɗaukar halin yanzu. Wannan na iya haifar da zafi a ƙarshen da gazawar wuri. Rashin rufin rufi daga matsin lamba ko abrasion na iya zama bayyane a waje amma na iya haifar da raunin raunin da ke haifar da gajerun hanyoyi watanni ko shekaru bayan shigarwa. Koyaushe koma ga takardar bayanan masana'antar kebul don iyakance ƙarfin lantarki da iyakance matsin lamba. Waɗannan ƙimar suna bambanta sosai tsakanin nau'ikan kebul; misali, kebul na matsakaici mai ƙarfin lantarki tare da keɓewa mai kauri yana da ƙananan iyakantaccen ƙarfin lantarki fiye da kebul na ƙananan ƙarfin lantarki.

Bayan janyewa, gudanar da gwaje-gwaje na ci gaba da juriya ta hanyar amfani da megger don tabbatar da cewa babu lalacewar da ta faru yayin janyewa. raguwa mai mahimmanci a juriya ta juriya idan aka kwatanta da asalin masana'anta yana nuna yiwuwar lalacewar jaket. Bayyana bayanan janyewa, gami da karatun ƙarfin ƙarfin, man shafawa da aka yi amfani da su, da duk wani rashin daidaito da aka lura, a matsayin wani ɓangare na tsarin tabbatar da ingancin don shigarwa.

Ƙarshen

Fasahar tashin hankali da karfi yayin jan waya kai tsaye yana shafar nasarar aikin, farashi, da aminci. Ta hanyar fahimtar jujjuyawar, tasirin capstan, lissafin lankwasawa, da iyakokin inji na masu gudanarwa, ƙwararrun ƙwararru na iya tsara jan hankali wanda ke rage haɗari da haɓaka inganci. Aiwatar da kayan aiki, lubricants, da fasahohi masu dacewa bisa ga waɗannan ƙa'idodin suna tabbatar da cewa waya ta isa inda aka nufa ba tare da lalacewa ba kuma a shirye don ƙare. Don ƙarin karatu game da ayyukan shigar da kebul, duba NECT:0NECT:1, IEEE 576FLT: 3, da kuma littattafan jagorantar masana'antu daga ƙungiyoyi kamar NECA da Ƙungiyar Injiniyan Cable Insulated (AICEable).